Pet tunnel



FIG. 1 is a front perspective view of a pet tunnel showing the new design;

FIG. 2 is another perspective view of the pet tunnel from a side opposite that of FIG. 1;

FIG. 3 is a side view of the pet tunnel;

FIG. 4 is a side view of the pet tunnel from a side opposite that of FIG. 3;

FIG. 5 is a front view of the pet tunnel;

FIG. 6 is a rear view of the pet tunnel from a side opposite that of FIG. 5;

FIG. 7 is a top view of the pet tunnel; and,

FIG. 8 is a bottom view of the pet tunnel.

The broken line shown in the drawings depict portions of the pet tunnel that form no part of the claimed design. 

CLAIM The ornamental design for a pet tunnel, as shown and described. 